{
   "$schema":"http://json-schema.org/draft-03/schema#",
   "id":"http://schemas.opengis.net/gsr/1.0/sms.json",

	"title":"simple marker symbol",
	"type":"object",
	"extends":{
		"$ref":"http://schemas.opengis.net/gsr/1.0/marker.json"
	},
	"properties":{
		"type":{
			"title":"marker type",
			"type":"string",
			"required":true,
			"enum":["SMS"]
		},
		"style":{
			"title":"marker style",
			"description":"value SHOULD be SMSCircle, SMSCross, SMSDiamond, SMSSquare, SMSX",
			"type":"string",
			"required":true
		},
		"color":{
			"$ref":"http://schemas.opengis.net/gsr/1.0/color.json",
			"required":true
		},
		"size":{
			"title":"size",
			"type":"number",
			"required":true
		},
		"angle":{
			"title":"angle",
			"type":"number"
		},
		"xoffset":{
			"title":"angle",
			"type":"number"
		},
		"yoffset":{
			"title":"angle",
			"type":"number"
		},
		"outline":{
			"title":"coded values",
			"type":"object",
			"properties":{
				"color":{
					"$ref":"http://schemas.opengis.net/gsr/1.0/color.json",
					"required":true
				},
				"width":{
					"type":"number",
					"required":true
				}
			}
		}
	}
}